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Individual Calculations February 2017 |
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| Baratha Yomal, N W A Total change: 30.40 | |   |
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| 1st SSC Open International 2016 | Matara | SRI | 2016-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1373 | 1105 | 1.00 | 5 | 0.09 | 40 | 3.60 | |
|  Kanakarathne, S Nevinka De Silva | | | 1407 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Alwala, A D Hansaja Ramith | | | 1395 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Basith, M N Abdul | | | 1440 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Piyathilake, K D D H | | | 1380 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Perera, D G D Y Adeekshana | | | 1243 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Kalutara Chess Festival 2017 | Kalutara | SRI | 2017-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1105 | 1.50 | 5 | 0.67 | 40 | 26.80 | |
| | De Silva, Chamindra | | | 1505 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wimalasuriya, M Sachithra | | | 1383 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Kodikara, N S | | | 1469 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Gunarathne, Senila Amaneth | | | 1328 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Athukorala, A T N | | | 1290 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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